名校
解题方法
1 . 已知
,
,
.
(1)若
,求x的值;
(2)求
的最大值及取得最大值时相应的x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55ad3cccecb5b329e1d34f1e0fefb135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b8583acf0b89997429dbbaa837c3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e7b2150ed88d3ffdec3d142617eacf.png)
您最近一年使用:0次
2023-08-09更新
|
912次组卷
|
6卷引用:黑龙江省大庆市2023届高三下学期第二次教学质量检测数学试题
解题方法
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355556fada288b725e3239b454421afe.png)
(1)当
时,求
的值域;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355556fada288b725e3239b454421afe.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01b6fb6a1c7a895df528382a5583444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1eb6ca4d00b968735f1c58769b43b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55940728eee327eebd1ce63eebfb7bf2.png)
您最近一年使用:0次
2021·全国·模拟预测
名校
解题方法
3 . 在
中,内角
,
,
的对边依次为
,
,
,
.
(1)求角
;
(2)若
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a89b6fa6050e239107dc028d777340.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f85678de64dcc06b3efcdb6a127170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2021-03-22更新
|
1836次组卷
|
4卷引用:黑龙江省实验中学2021届高三下学期三模数学(文)试题
黑龙江省实验中学2021届高三下学期三模数学(文)试题(已下线)2021届普通高等学校招生全国统一考试数学考向卷(四)河南省郑州市第一中学2021届高三模拟预测卷文科数学试题浙江省2021届高三高考数学预测卷(三)
4 . 在
中,角A,B,C所对的边分别为a,b,c,且满足
,
.
(1)求
的面积;
(2)若
,求b的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d18e8eb9ac5aace55ce580f20c307fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45be552695f7ca2bdc00cd7d7cef068f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98520455a09ba74d38e10566e08dd824.png)
您最近一年使用:0次
2020-07-11更新
|
330次组卷
|
3卷引用:黑龙江省哈尔滨市2020届高三5月模拟复课联考数学(文)试题
黑龙江省哈尔滨市2020届高三5月模拟复课联考数学(文)试题黑龙江省哈尔滨市2020届高三5月模拟复课联考数学(理)试题(已下线)考点28 平面向量的数量积与应用(考点专练)-备战2021年新高考数学一轮复习考点微专题